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[HDFS-6557] Move the reference of fsimage to FSNamesystem - HDFS - [issue]
...Per the suggestion from HDFS-6480. FSDirectory becomes a in-memory data structure so that the reference of fsimage should be moved to FSNamesystem....
http://issues.apache.org/jira/browse/HDFS-6557    Author: Haohui Mai, 2014-06-21, 16:19
[HDFS-6480] Move waitForReady() from FSDirectory to FSNamesystem - HDFS - [issue]
...Currently FSDirectory implements a barrier in waitForReady() / setReady() so that it only serve requests once the FSImage is fully loaded.As a part of the effort to evolve FSDirectory to a c...
http://issues.apache.org/jira/browse/HDFS-6480    Author: Haohui Mai, 2014-06-19, 16:17
[HDFS-6566] Separate public and private keys in DFSConfigKey - HDFS - [issue]
...DFSConfigKey contains both public and private keys. There is no clear clarification on whether a key should be public and stable.This jira proposes to separate the public and stable keys in ...
http://issues.apache.org/jira/browse/HDFS-6566    Author: Haohui Mai, 2014-06-19, 04:23
[HDFS-6567] Clean up HdfsFileStatus - HDFS - [issue]
...As suggested in HDFS-6200, the order of "public final" in HdfsFileStatus is reversed. This jira proposes to fix the order and to make the code more consistent....
http://issues.apache.org/jira/browse/HDFS-6567    Author: Haohui Mai, 2014-06-19, 02:11
[HDFS-6564] Use slf4j instead of common-logging in hdfs-client - HDFS - [issue]
...hdfs-client should depends on slf4j instead of common-logging....
http://issues.apache.org/jira/browse/HDFS-6564    Author: Haohui Mai, 2014-06-19, 01:38
[HDFS-6330] Move mkdirs() to FSNamesystem - HDFS - [issue]
...Currently mkdir() automatically creates all ancestors for a directory. This is implemented in FSDirectory, by calling unprotectedMkdir() along the path. This jira proposes to move the functi...
http://issues.apache.org/jira/browse/HDFS-6330    Author: Haohui Mai, 2014-06-14, 16:19
[HDFS-6315] Decouple recording edit logs from FSDirectory - HDFS - [issue]
...Currently both FSNamesystem and FSDirectory record edit logs. This design requires both FSNamesystem and FSDirectory to be tightly coupled together to implement a durable namespace.This jira...
http://issues.apache.org/jira/browse/HDFS-6315    Author: Haohui Mai, 2014-06-12, 16:17
[HDFS-6328] Clean up dead code in FSDirectory - HDFS - [issue]
...This jira proposes: Cleaning up dead code in FSDirectory. Simplify the control flows that IntelliJ flags as warnings. Move functions related to resolving paths into one place....
http://issues.apache.org/jira/browse/HDFS-6328    Author: Haohui Mai, 2014-06-02, 22:17
[HDFS-5698] Use protobuf to serialize / deserialize FSImage - HDFS - [issue]
...Currently, the code serializes FSImage using in-house serialization mechanisms. There are a couple disadvantages of the current approach: Mixing the responsibility of reconstruction and seri...
http://issues.apache.org/jira/browse/HDFS-5698    Author: Haohui Mai, 2014-05-22, 02:56
[HDFS-6370] Web UI fails to display in intranet under IE - HDFS - [issue]
...When IE renders the web UI of a cluster than runs in the intranet, it forces the compatibility mode to be turned on which causes the UI fails to render correctly....
http://issues.apache.org/jira/browse/HDFS-6370    Author: Haohui Mai, 2014-05-15, 19:20
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